- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general
- F16L 21/025 - Rolling sealing rings
Patent holdings for IPC class F16L 21/025
Total number of patents in this class: 16
10-year publication summary
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0
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0
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2
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1
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0
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1
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1
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0
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2
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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NORMA U.S. Holding LLC | 84 |
2 |
| Revelation Connection Technologies, LLC | 4 |
2 |
| Purdue Research Foundation | 3277 |
1 |
| J. Juan, S.A. | 19 |
1 |
| Korloy Inc. | 249 |
1 |
| Le Joint Francais SNC | 6 |
1 |
| Microflex Technologies LLC | 4 |
1 |
| Self-energising Coupling Company Limited | 25 |
1 |
| Thermo Fisher Scientific (Bremen) GmbH | 496 |
1 |
| Tyco Fire Products LP | 831 |
1 |
| Vertex, Inc. | 38 |
1 |
| Parker Hannifin EMEA S.à.r.l. | 70 |
1 |
| SPM Oil & Gas Inc. | 304 |
1 |
| Guangzhou Red Pine Medical Instrument Co., Ltd | 14 |
1 |
| Other owners | 0 |